<p>Bitmain announces the return of the Antminer S21 series, presenting a groundbreaking deal at just $19.5 per terahash, showcasing both the S21 Hyd. and S21 models. The cutting-edge miners promise superior performance, with the S21 Hyd. featuring an impressive 335 terahashes per second (TH/s) at a power efficiency of 5.36 watts per terahash (W/T), and the S21 at 200 TH/s with a 3.50 W/T efficiency. These figures not only emphasize Bitmain's commitment to innovation but also position the S21 series as a top contender in the competitive mining <a href="https://ultramining.com/hardware/" rel="noopener noreferrer nofollow">hardware</a> market, according to <a href="https://twitter.com/BITMAINtech/status/1734562672233021456" rel="noopener noreferrer nofollow">BITMAINtech</a>.</p>
<p>Sales are set to commence on December 12 at 9:00 AM (EST), with shipping slated for March 2024. The early bird pricing strategy, aligned with the "first come, first serve" policy, is likely to attract a rush of buyers eager to capitalize on the enhanced efficiency and potential profitability these miners offer. Given the ongoing energy concerns in cryptocurrency mining, Bitmain's latest models appear to be a strategic move to address market demand for more sustainable and cost-effective mining solutions. By offering a competitive price point and emphasizing energy efficiency, Bitmain could be setting a new industry standard that resonates with the growing environmental consciousness within the crypto community.&nbsp;</p>

Bitmain Revives Antminer S21 Series: Industry-leading Efficiency at Competitive Price

Ultramining_Eng

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